10000 COMBINATIONS: 4-digit combination locker lock is resettable with 10000 unique combinations, which is 10 times harder to crack than a 3-digit lock. It is more reliable and securer. EASY OPERATION: Setting and resetting your own combination is simple and straight forward. Instructions are always included. Numbers are easy to read and dials are easy to turn, making lock and unlock in seconds. STURDY CONSTRUCTION: Made of high strengh zinc alloy and hardened steel, the dial combination lock is sturdy and compact, offering extra resistance to cuting and sawing. Moreover, the premium material is waterproof and weatherproof, making it very good outdoor combination padlock. WIDE APPLICATION: The resettable 4 number lock is perfect for both indoor and outdoor use. You can use it for a gym, school, employee locker, a cabinet, a toolbox, you can also use it as an outdoor hasp combo lock for doors, gates, fences, garage, etc.